Creating new blocks for use in Simulink

How to create a new block with user defined parameters and function in Simulink?..please help

Answer 1

[Andreas Goser]

I am aware of two major implementations. First you can create your own Simulink block by using standard blocks and put them into a subsystem. Finally you mask the subsystem, see

http://www.mathworks.com/help/toolbox/simulink/sfg/f8-89503.html?BB=1

Secondly, you can include C-code as an S-Function (and also mask):

http://www.mathworks.com/help/toolbox/simulink/ug/f8-15210.html